[PATCH] D50277: [WebAssembly] Support for atomic fences

[Heejin Ahn via Phabricator via llvm-commits]

aheejin updated this revision to Diff 161359.
aheejin added a comment.

Use a target external symbol with `MO_SYMBOL_GLOBAL`


Repository:
  rL LLVM

https://reviews.llvm.org/D50277

Files:
  lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
  lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
  lib/Target/WebAssembly/WebAssemblyInstrAtomics.td
  test/CodeGen/WebAssembly/atomic-fence.ll

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